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same drawing mode extension like for DrawLine

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2340 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
izydorst 2003-08-15 23:29:23 +00:00
parent fa084ef304
commit b45d25d60f
3 changed files with 13 additions and 7 deletions
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5
doc/geos.sgml
View file

@ -301,9 +301,10 @@ proper values.
<sect3>DrawPoint
<p>
<tt/void DrawPoint (struct pixel *myPixel)/
<tt/void DrawPoint (char mode, struct pixel *myPixel)/
<p>
Draws single point on the screen, no matter what the current pattern is.
Depending on <tt/mode/ (see <tt/DrawLine/) draws/erases/copies a single point
on the screen.
<sect3>TestPoint
<p>

4
include/geos/ggraph.h
View file

@ -32,7 +32,7 @@ void __fastcall__ RecoverRectangle(void);
void __fastcall__ DrawLine(char mode, struct window *topBotCoords);
void __fastcall__ DrawPoint(struct pixel *myPixel);
void __fastcall__ DrawPoint(char mode, struct pixel *myPixel);
char __fastcall__ TestPoint(struct pixel *myPixel);
void __fastcall__ PutChar(char character, char y, unsigned x);
@ -170,7 +170,7 @@ void __fastcall__ GraphicsString(char *myGfxString);
#define ADD1_W 0x2000
#define DOUBLE_B 0x80
#define DOUBLE_W 0x8000
/* DrawLine mode values */
/* DrawLine/DrawPoint mode values */
#define DRAW_ERASE 0x00
#define DRAW_DRAW 0x40
#define DRAW_COPY 0x80

11
libsrc/geos/graph/drawpoint.s
View file

@ -1,17 +1,22 @@
;
; Maciej 'YTM/Alliance' Witkowiak
; Maciej 'YTM/Elysium' Witkowiak
;
; 29.10.99
; 29.10.99, 16.8.2003
; void DrawPoint (struct pixel *mypixel);
; void DrawPoint (char mode, struct pixel *mypixel);
.import PointRegs
.import popa
.importzp tmp1
.export _DrawPoint
.include "../inc/jumptab.inc"
_DrawPoint:
jsr PointRegs
jsr popa
sta tmp1
bit tmp1
jmp DrawPoint